Enum rustc_ast::ast::WherePredicate
source · pub enum WherePredicate {
BoundPredicate(WhereBoundPredicate),
RegionPredicate(WhereRegionPredicate),
EqPredicate(WhereEqPredicate),
}
Expand description
A single predicate in a where-clause.
Variants§
BoundPredicate(WhereBoundPredicate)
A type binding (e.g., for<'c> Foo: Send + Clone + 'c
).
RegionPredicate(WhereRegionPredicate)
A lifetime predicate (e.g., 'a: 'b + 'c
).
EqPredicate(WhereEqPredicate)
An equality predicate (unsupported).
Implementations§
Trait Implementations§
source§impl Clone for WherePredicate
impl Clone for WherePredicate
source§fn clone(&self) -> WherePredicate
fn clone(&self) -> WherePredicate
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for WherePredicate
impl Debug for WherePredicate
source§impl<__D: Decoder> Decodable<__D> for WherePredicate
impl<__D: Decoder> Decodable<__D> for WherePredicate
Auto Trait Implementations§
impl !RefUnwindSafe for WherePredicate
impl !Send for WherePredicate
impl !Sync for WherePredicate
impl Unpin for WherePredicate
impl !UnwindSafe for WherePredicate
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Layout§
Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...)
attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.
Size: 56 bytes
Size for each variant:
BoundPredicate
: 48 bytesRegionPredicate
: 48 bytesEqPredicate
: 24 bytes